SF: remove wp<Layer> from LayerHistory

wp::promote has a significant performace impact. Instead we maintain
a copy of the relevant layer information in LayerInfo.

This shows reduction in simpleperf for the main thread
3.07% -> 0.81%

Test: simpleperf for PIP + Notification shade expansion
Test: atest SetFrameRateTest
Bug: 169873384
Change-Id: Ib1414a2db73a4c30a26379a0ba8ba9e639f920ce